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What is the difference between TSTEP and TSTEP(time) in direct transient analysis

User: "Shiva Prasad"
Shiva Prasad
Altair Community Member
Updated by Shiva Prasad

I'm doing a direct transient analysis , in the load step there are 2 options like TSTEP AND TSTEP(time) , I'm unable to find the difference between both. So I want what is the exact difference between both and when to use which.

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    User: "Rajashri_Saha"
    Rajashri_Saha
    Altair Employee
    Updated by Rajashri_Saha

    Hi Shiva,

    You can use TSTEP for Direct and Modal Transient analysis and TSTEP(Time) for Transient Thermal analysis.

    Thanks

    Rajashri

    User: "Shiva Prasad"
    Shiva Prasad
    Altair Community Member
    OP
    Updated by Shiva Prasad

    Hi rajashri,

    Can you explain the reasoning behind this , because both options seems to do the same work .If you could elaborate it will help me.

     

    Thank you.

     

    User: "Rajashri_Saha"
    Rajashri_Saha
    Altair Employee
    Updated by Rajashri_Saha

    Hi rajashri,

    Can you explain the reasoning behind this , because both options seems to do the same work .If you could elaborate it will help me.

     

    Thank you.

     

    Hi Shiva,

    In Thermal transient load is due to Temp or Flux and in Modal Transient there is Displacement, velocity, acceleration, force etc involved for loading. that is why two different cards used for set up.

    Thanks

    Rajashri

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